Jntech JNP75KH - Page 76

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Fault07
Inverter shutdown
and will restart
automatically after
the fault disappears
Input current of
inverter higher
than rated
maximum value
If this happen, please contact
Supplier.
Fault08
Inverter shutdown
and will restart
automatically after
the fault disappears
1. Power
capacity of
pump motor is
higher than
rated output.
2. Pump motor
locked-rotor,
or damaged.
3.Pipe system
design is not
reasonable
1. Please inspect whether
pump motor is normal.
2. Please inspect whether
pipeline system is in
accordance with water pump
or not.
3. Please refer to “7.4.2.2
Motor parameters’ setting
by manual ”
4. If this happen frequently,
please contact Supplier.
Fault11
Inverter shut down
Sensor not
connect proper or
damaged
If this happen frequently,
please contact Supplier.
Fault12
Inverter shutdown,
non-recover
malfunction. No
automatically
restart, only if
recharged
Output wire
short circuit.
1. Please check if there is
short circuit in output wires.
2.If this happen frequently,
please contact Supplier.